CorningXSWX:GLW -3.25%68 Debt-to-Equity is 0.84 as of Mar. 2026, which is 29% above its 10-year median of 0.65. GuruFocus rates XSWX:GLW with a GF Score™ of 68/100 and a GF Value™ of CHF50.32. The stock has 2 warning signs investors should review. Among 2,214 Hardware companies, Corning ranks worse than 81.12% on this metric.
A high debt to equity ratio generally means that a company has been aggressive in financing its growth with debt. This can result in volatile earnings as a result of the additional interest expense.
The historical rank and industry rank for Corning's Debt-to-Equity or its related term are showing as below:
XSWX:GLW'
s Debt-to-Equity Range Over the Past 10 Years
Min: 0.21 Med: 0.65 Max: 0.84
Current: 0.84
During the past 13 years, the highest Debt-to-Equity Ratio of Corning was 0.84. The lowest was 0.21. And the median was 0.65.
XSWX:GLW's Debt-to-Equity is ranked worse than 81.12% of 2214
companies
in the Hardware industry
Industry Median: 0.27
vs XSWX:GLW: 0.84
Because a company can increase its ROE % by having more financial leverage, it is important to watch the leverage ratio when investing in high ROE % companies.
Corning Debt-to-Equity Related Terms
Corning Debt-to-Equity Historical Data
* Premium members only.
The historical data trend for Corning's Debt-to-Equity can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
XSWX:GLW vs APH, TEL, FLEX: Debt-to-Equity Comparison
For the Electronic Components subindustry, Corning's Debt-to-Equity, along with its competitors' market caps and Debt-to-Equity data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Corning Debt-to-Equity vs Hardware Industry
For the Hardware industry and Technology sector, Corning's Debt-to-Equity distribution charts can be found below:
* The bar in red indicates where Corning's Debt-to-Equity falls into.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Corning (XSWX:GLW) has a Debt-to-Equity of 0.84 as of Mar. 2026. Debt-to-Equity ratio represents the ratio of total debt to total company equity. View historical data on Corning and its competitors. This is 29% above median its historical median of 0.65. Over the past decade, Corning's Debt-to-Equity has ranged from 0.21 to 0.84. According to the industry distribution chart, Corning ranks #1796 out of 2214 companies in the Hardware industry, placing it in the top 81.1%.
Is Corning's Debt-to-Equity too high?
Corning's current Debt-to-Equity of 0.84 is 29% above median its 10-year median of 0.65. Over the past 10 years, this metric has ranged from a low of 0.21 to a high of 0.84. The Hardware industry median Debt-to-Equity is 0.27. Corning's value of 0.84 is 211.1% above this industry median. Based on the distribution chart, Corning ranks #1796 out of 2214 companies in the Hardware industry, which is in the bottom quartile relative to peers. Overall, Corning has a GF Score™ of 68/100, reflecting its overall financial health beyond just this single metric.
How does Corning's Debt-to-Equity compare to APH and TEL?
According to the Hardware industry distribution chart, Corning ranks #1796 out of 2214 companies for Debt-to-Equity. This places Corning in the lower half of its industry. The industry median Debt-to-Equity is 0.27. Corning's value of 0.84 is 211.1% above this benchmark. Historically, Corning's own Debt-to-Equity has ranged from 0.21 to 0.84 over the past decade. While the company's 10-year median is 0.65 vs. the industry median of 0.27, Corning has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Debt-to-Equity for a Hardware company?
The median Debt-to-Equity among Hardware companies is 0.27, based on 2,214 companies in the industry. Companies in the top quartile (top 25%) have a Debt-to-Equity significantly above this median, while those in the bottom quartile fall well below. However, Debt-to-Equity should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Corning's current Debt-to-Equity of 0.84 is 211.1% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Debt-to-Equity mean?
A high Debt-to-Equity can signal that a stock is expensive relative to its fundamentals. Debt-to-Equity ratio represents the ratio of total debt to total company equity. View historical data on Corning and its competitors. For the Hardware industry, the median Debt-to-Equity is 0.27 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Corning's current Debt-to-Equity is 0.84, which is 29% above median its own 10-year median of 0.65. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Corning stock overvalued right now?
Corning (XSWX:GLW) has a current Debt-to-Equity of 0.84. The stock's GF Value™ is CHF50.32, compared to a current price of CHF153.24 — trading 204.5% above its estimated fair value. The current Debt-to-Equity is 0.84, which is 29% above median its 10-year median of 0.65 and 211.1% above the Hardware industry median of 0.27. Corning's overall GF Score™ is 68/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Debt-to-Equity calculated?
Debt-to-Equity is calculated from a company's financial statements. For Corning (XSWX:GLW), the current Debt-to-Equity is 0.84 as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Corning (XSWX:GLW) Overvalued in 2026?
Based on GuruFocus' analysis, Corning stock appears to be overvalued.
The current stock price of CHF153.24 is trading 204.5% above its estimated GF Value™ of CHF50.32.
Key valuation signals for XSWX:GLW:
Debt-to-Equity: 0.84 (29% above median its 10-year median of 0.65)
GF Value™: CHF50.32 vs. price of CHF153.24 (204.5% above fair value)
Industry Position: 211.1% above the Hardware median (#1796 of 2214)
No single metric tells the full story. See the XSWX:GLW stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Corning is a provider of glass, ceramics, and optical fiber across six distinct end markets. Corning's largest segments by revenue are display glass for TVs and optical fiber for telecom networks and data centers. It also provides cover glass for smartphones as well as filters and substrates and glass for cars, produces pharmaceutical glass, and produces polysilicon for solar panels. Corning is a US producer and is vertically integrated across its products and markets.
68GF Score
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